The mixed number 54 9/400 written as an improper fraction is 21609/400
To turn the mixed number 54 9/400 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 54 × 400 = 21600.
After that, add the result to the numerator of the fractional part: 21600 + 9 = 21609.
Next, Write the sum of the previous step on the original denominator: 21609/400.
This means that 54 9/400, as an improper fraction, equals 21609/400.
See also: 54 9/400 as a decimal